import math

class Circle:
    def __init__(self, x, y, r, color):
        self.x = x
        self.y = y
        self.__radius = r
        self.color = color

    def get_Circlehear(self):
        return "圆心为:(%s,%s)" % (self.x, self.y)

    @property
    def radius(self):
        return "半径为:%s" % round(self.__radius)
    @radius.setter
    def radius(self,value):
        self.__radius = value


    def get_color(self):
        return "颜色为:%s" % self.color

    def get_circumference(self):
        return "面积为:%s" % round((2 * math.pi * self.r))

    def get_Area(self):
        return "周长为:%s" % round((math.pi * self.r * self.r))


circle = Circle(1, 2, 3.0, "红")
print(circle.radius)
# print(circle.get_Circlehear(), circle.get_radius(), circle.get_color(), circle.get_circumference(), circle.get_Area())
